CJCU
Preparation,  Structure and Properties of Porous Polyimide Films via PAA/PU Alloy
LIU Jiu-Gui, JIANG Li-Zhong, ZHAN Jia-Yu, WU De-Zhen, JIN Ri-Guang
Chem. J. Chinese Universities . 2006, (1): 178 -181 .